Unpaywall FAQ

How is the best OA location determined?
When an article has more than one OA location, we need to decide which is the most current, authoritative version, which is first in oa_locations and is cal...
Thu, 21 May, 2020 at 12:08 PM
How do I use the title search API?
Unpaywall Title Search Endpoint The Unpaywall title search endpoint gives you the full DOI API response for up to 50 articles with titles matching your ...
Mon, 31 Aug, 2020 at 1:35 PM
What is an OA license?
There are many definitions of what constitutes an OA license, including the BOAI, OSI and SPARC (for a more comprehensive list, see this literature review)....
Fri, 9 Oct, 2020 at 1:20 PM
What does oa_date mean and how is it determined?
In each oa_location, the purpose of oa_date is to tell you when the full text of this version of the article was first available at this location. Here’s an...
Mon, 19 Oct, 2020 at 11:15 AM